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EP 1 360 038 A1

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(43) Date of publication: 12.11.2003 Bulletin 2003/46 (21) Application number: 01986212.7 (22) Date of filing: 28.12.2001

(51) International Patent Classification (IPC)7: B24D 11/00, C08J 7/04, G11B 5/84 (86) International application number: PCT/US0150/827 (87) International publication number: WO 0205/5266 (18.07.2002 Gazette 2002/29)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 10.01.2001 JP 2001002496 (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventor: EGUCHI, Hiroyuki Sagamihara, Kanagawa 229-1131 (JP) (74) Representative: Meyers, Hans-Wilhelm, Dr.Dipl.-Chem. et al Patentanwältevon Kreisler-Selting-WernerPostfach 10 22 41 50462 Köln 50462 Köln (DE)